rm -f /srv/web/ipfire/cgi-bin/{dmzholes,outgoingfw,portfw,xtaccess}.cgi
# Generate chains for new firewall
-/sbin/iptables -N INPUTFW
-/sbin/iptables -N FORWARDFW
-/sbin/iptables -N POLICYFWD
-/sbin/iptables -N POLICYIN
-/sbin/iptables -N POLICYOUT
-/sbin/iptables -t nat -N NAT_SOURCE
-/sbin/iptables -t nat -N NAT_DESTINATION
+/sbin/iptables -N INPUTFW 2>/dev/null
+/sbin/iptables -N FORWARDFW 2>/dev/null
+/sbin/iptables -N POLICYFWD 2>/dev/null
+/sbin/iptables -N POLICYIN 2>/dev/null
+/sbin/iptables -N POLICYOUT 2>/dev/null
+/sbin/iptables -t nat -N NAT_SOURCE 2>/dev/null
+/sbin/iptables -t nat -N NAT_DESTINATION 2>/dev/null
# Convert firewall configuration
/usr/sbin/convert-xtaccess